Granted Patent
Utility
US 6,333,080 · App. 09/242,554
Liquid-crystal alkenyltolan derivative, liquid-crystal composition, and liquid-crystal display element
Inventors:
Norio Tamura, Atsuko Fujita, Shuichi Matsui, Kazutoshi Miyazawa, Norihisa Hachiya, Etsuo Nakagawa
Patented Case
View Patent ↗
Granted: Dec 25, 2001
Filed: May 6, 1999
Inventors
Norio Tamura
Atsuko Fujita
Shuichi Matsui
Kazutoshi Miyazawa
Norihisa Hachiya
Etsuo Nakagawa
Assignee (at issue)
Chisso Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.